
package cn.webrx;


import java.util.ArrayList;
import java.util.List;

public class Hello {
    public static void main(String[] args) {
        System.out.println(System.getProperty("java.home"));
        System.out.println(System.getProperty("java.version"));
        System.out.println(System.getProperty("os.name"));
        System.out.println(System.getProperty("user.name"));
        System.out.println(System.getProperty("user.dir"));
        for (Object o : System.getProperties().keySet()) {
            System.out.printf("%s = %s \n", o, System.getProperty(o.toString()));
        }
    }
}
